US7377831B2 - Plasma display panel and method of manufacturing the same - Google Patents
Plasma display panel and method of manufacturing the same Download PDFInfo
- Publication number
- US7377831B2 US7377831B2 US10/950,665 US95066504A US7377831B2 US 7377831 B2 US7377831 B2 US 7377831B2 US 95066504 A US95066504 A US 95066504A US 7377831 B2 US7377831 B2 US 7377831B2
- Authority
- US
- United States
- Prior art keywords
- green tape
- electrode
- ultraviolet ray
- display panel
- plasma display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
- H01J11/24—Sustain electrodes or scan electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
- H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
- H01J2211/444—Means for improving contrast or colour purity, e.g. black matrix or light shielding means
Definitions
- the present invention relates to a plasma display panel, and more particularly, to a plasma display panel in which a manufacturing process is simplified and method of manufacturing the same.
- a plasma display panel (hereinafter, referred to as ‘PDP’) that can be easily made large attracts public attention.
- the PDP is adapted to display an image by controlling a gas discharge period of each of pixels according to digital video data.
- An example of a representative PDP is an AC type PDP that has three electrodes and is driven by alternate current (AC) voltage, as shown in FIG. 1 , and is driven by an AC voltage.
- FIG. 1 is a perspective view showing the configuration of a cell that is arranged on a typical AC type PDP in a matrix shape.
- FIG. 2 schematically shows the structure in which electrodes of an upper substrate of the AC type PDP are arranged.
- the cell of the PDP includes an upper plate having a pair of sustain electrodes 14 and 16 , an upper dielectric layer 18 and a protection film 20 , all of which are sequentially formed on an upper substrate 10 ; and a lower plate having an address electrode 22 , a lower dielectric layer 24 , barrier ribs 26 and a phosphor layer 28 , all of which are sequentially formed on a lower substrate 12 .
- the upper substrate 10 and the lower substrate 12 are spaced apart from each other in parallel by means of the barrier ribs 26 .
- the sustain electrode 14 includes a transparent electrode 14 A that has a relatively wide width and is formed using a transparent electrode material (ITO) through which a visible ray can pass, and a metal electrode 14 B for compensating for a resistance component of the transparent electrode 14 A.
- the sustain electrode 16 includes a transparent electrode 16 A that has a relatively wide width and is formed using a transparent electrode material (ITO) through which a visible ray can pass, and a metal electrode 16 B for compensating for a resistance component of the transparent electrode 16 A.
- the metal electrodes operate as bus electrodes.
- This pair of the sustain electrodes is composed of the scan electrode 14 and the sustain electrode 16 depending on a pulse applied thereto.
- the scan electrode 14 is mainly supplied with a scan pulse for scanning a panel and a sustain pulse for maintaining discharging.
- the sustain electrode 16 is mainly supplied with the sustain pulse.
- the upper dielectric layer 18 and the lower dielectric layer 24 are accumulated with electric charge upon discharging.
- the protection film 20 serves to prevent damage of the upper dielectric layer 18 due to sputtering and to increase emission efficiency of secondary electrons.
- the protection film 20 is typically formed using magnesium oxide (MgO).
- the address electrode 22 is formed in a way to intersect the pair of the sustain electrodes 14 and 16 . This address electrode 22 is supplied with a data pulse for selecting cells to be displayed.
- the barrier ribs 26 are formed parallel to the address electrode 22 and serve to prevent ultraviolet generated by the discharging from leaking toward neighboring cells.
- the phosphor layer 28 is coated on the lower dielectric layer 24 and the barrier ribs 26 and emits any one visible ray of red, green and blue lights.
- an inert gas for discharging a gas is injected into discharge spaces.
- FIG. 3 is a view shown to explain a conventional method of manufacturing the upper substrate of the PDP.
- a black electrode paste 33 is printed on a transparent electrode 32 , i.e., an upper substrate 31 in which an ITO electrode is formed by means of a screen method, and is then dried ( FIG. 3 a ).
- a first ultraviolet is exposed to the black electrode paste 33 through a first photomask 34 ( FIG. 3 b ). It is preferred that the photomask 34 is patterned so that the first ultraviolet is exposed only to the black electrode paste 33 located between discharge cells. Thus, the first ultraviolet is exposed only to the black electrode paste 33 located between the discharge cells, thereby hardening only the exposed portion.
- a black matrix for precluding light generated from one discharge cell from transmitting to neighboring discharge cells is formed at the exposed portion.
- a silver electrode paste 35 is printed on the exposed black electrode paste 33 by means of a screen-printing method ( FIG. 3 c ).
- a second ultraviolet is exposed to the silver electrode paste 35 through a second photomask 36 ( FIG. 3 d ).
- the second ultraviolet has a light source having a wavelength that can harden not only the silver electrode paste 35 but also the black electrode paste 33 printed below the silver electrode paste 35 , through the second photomask 36 .
- the second photomask 36 is preferably patterned so that the silver electrode paste 35 located over the transparent electrode 32 is hardened.
- the upper substrate 31 is developed to form a predetermined bus electrode 37 and a black matrix 38 .
- a dry and sintering process are then performed ( FIG. 3 e ).
- the bus electrode 37 has a silver electrode 37 b and a black electrode 37 a.
- an object of the present invention is to solve at least the problems and disadvantages of the background art.
- An object of the present invention is to provide a plasma display panel in which a manufacturing process can be simplified and manufacturing cost can be reduced, and method of manufacturing the same.
- a plasma display panel having a front substrate and a rear substrate that are opposite to each other, wherein the plasma display panel includes a pair of transparent electrodes formed on the opposite surface of the front substrate, metal electrodes each formed in the transparent electrodes, a first dielectric layer for covering the transparent electrodes and the metal electrodes, a protection film coated on the first dielectric layer, an address electrode formed on the opposite surface of the rear substrate, a second dielectric layer for covering the address electrode, barrier ribs formed on the second dielectric layer, a discharge cell partitioned by the barrier ribs, and a phosphor layer coated on the inner surface of the discharge cell, wherein the metal electrodes are composed of a green tape having a black electrode formed at the bottom and a silver electrode formed at the top, and are formed by exposing the green tape to ultraviolet rays of different wavelengths consecutively.
- a method of manufacturing a plasma display panel having a front substrate and a rear substrate that are opposite to each other wherein the plasma display panel includes a pair of transparent electrodes formed on the opposite surface of the front substrate, metal electrodes each formed in the transparent electrodes, a first dielectric layer for covering the transparent electrodes and the metal electrodes, a protection film coated on the first dielectric layer, an address electrode formed on the opposite surface of the rear substrate, a second dielectric layer for covering the address electrode, barrier ribs formed on the second dielectric layer, a discharge cell partitioned by the barrier ribs, and a phosphor layer coated on the inner surface of the discharge cell, the method including the steps of laminating a green tape that is fabricated in advance on an upper substrate on which the transparent electrodes are formed, consecutively exposing the green tape to ultraviolet rays of different wavelengths, and developing, drying and sintering the exposed green tape to form a metal electrode.
- FIG. 1 is a perspective view showing the configuration of a cell that is arranged on a typical AC type PDP in a matrix shape.
- FIG. 2 schematically shows the structure in which electrodes of an upper substrate of the AC type PDP are arranged.
- FIG. 3 is a view shown to explain a conventional method of manufacturing an upper substrate of a plasma display panel.
- FIG. 4 is a view shown to explain a method of manufacturing an upper substrate of a plasma display panel according to the present invention.
- a plasma display panel having a front substrate and a rear substrate that are opposite to each other, wherein the plasma display panel includes a pair of transparent electrodes formed on the opposite surface of the front substrate, metal electrodes each formed in the transparent electrodes, a first dielectric layer for covering the transparent electrodes and the metal electrodes, a protection film coated on the first dielectric layer, an address electrode formed on the opposite surface of the rear substrate, a second dielectric layer for covering the address electrode, barrier ribs formed on the second dielectric layer, a discharge cell partitioned by the barrier ribs, and a phosphor layer coated on the inner surface of the discharge cell, wherein the metal electrodes are composed of a green tape having a black electrode formed at the bottom and a silver electrode formed at the top, and are formed by exposing the green tape to ultraviolet rays of different wavelengths consecutively.
- the green tape has a thickness of 10 ⁇ m to 100 ⁇ m.
- the ultraviolet rays of different wavelengths are a first ultraviolet of a short wavelength band and a second ultraviolet of a long wavelength band.
- the short wavelength band is a wavelength of below 200 nm and the long wavelength band is a wavelength of 360 nm to 430 nm.
- the first ultraviolet of the short wavelength band serves to harden the silver electrode exposed through a first mask.
- the second ultraviolet of the long wavelength band serves to harden the black electrode exposed through a second mask.
- a method of manufacturing a plasma display panel having a front substrate and a rear substrate that are opposite to each other wherein the plasma display panel includes a pair of transparent electrodes formed on the opposite surface of the front substrate, metal electrodes each formed in the transparent electrodes, a first dielectric layer for covering the transparent electrodes and the metal electrodes, a protection film coated on the first dielectric layer, an address electrode formed on the opposite surface of the rear substrate, a second dielectric layer for covering the address electrode, barrier ribs formed on the second dielectric layer, a discharge cell partitioned by the barrier ribs, and a phosphor layer coated on the inner surface of the discharge cell, the method including the steps of laminating a green tape that is fabricated in advance on an upper substrate on which the transparent electrodes are formed, consecutively exposing the green tape to ultraviolet rays of different wavelengths, and developing, drying and sintering the exposed green tape to form a metal electrode.
- the green tape is composed of a green tape having a black electrode formed at the bottom and a silver electrode formed at the top.
- the green tape has a thickness of 10 ⁇ m to 100 ⁇ m.
- the ultraviolet rays of different wavelengths are a first ultraviolet of a short wavelength band and a second ultraviolet of a long wavelength band.
- the short wavelength band is a wavelength of below 200 nm and the long wavelength band is a wavelength of 360 nm to 430 nm.
- the first ultraviolet of the short wavelength band serves to harden the silver electrode exposed through a first mask.
- the second ultraviolet of the long wavelength band serves to harden the black electrode exposed through a second mask.
- the consecutive exposure step includes hardening the silver electrode of a predetermined region of the green tape and then hardening the black electrode of a predetermined region of the green tape.
- the consecutive exposure step includes hardening the black electrode of a predetermined region of the green tape and then hardening the silver electrode of a predetermined region of the green tape.
- a plasma display panel includes a plurality of a pair of first sustain electrodes having a first transparent electrode and a first metal electrode both of which are formed on an upper substrate, a plurality of a pair of second sustain electrodes having a second transparent electrode and a second metal electrode both of which are formed parallel to each other at a given distance from the first sustain electrodes, a plurality of address electrodes formed on a lower substrate in a way to intersect the first and second sustain electrodes vertically, and a plurality of barrier ribs for separating the upper substrate and the lower substrate, wherein the barrier ribs are formed on the lower substrate parallel to the address electrodes.
- the first and second metal electrodes are composed of a green tape having a black electrode formed at the bottom and a silver electrode formed at the top.
- the first and second metal electrodes are formed by exposing the green tape to ultraviolet rays of different wavelengths consecutively.
- the green tape has a thickness of 10 ⁇ m to 100 ⁇ m.
- the ultraviolet rays of the different wavelengths may include a first ultraviolet having a wavelength corresponding to a short wavelength band of below 200 nm and a second ultraviolet having a wavelength corresponding to a long wavelength band of 360 nm to 430 nm. It is therefore possible to harden the silver electrode that is exposed to the first ultraviolet having the wavelength of the short wavelength band and the black electrode that is exposed to the second ultraviolet having the wavelength of the long wavelength band. In addition, the remaining regions except for the silver electrode and the black electrode that are hardened as describe above are stripped to form a given bus electrode.
- FIG. 4 is a view shown to explain a method of manufacturing an upper substrate of a plasma display panel according to the present invention.
- a green tape 53 having a black electrode 53 a formed at the bottom and a silver electrode 53 b formed at the top is first prepared.
- the green tape 53 can be fabricated separately before an upper substrate of the plasma display panel is fabricated. At this time, it is preferred that the green tape 53 is formed in a thickness of 10 ⁇ m to 100 ⁇ m.
- the green tape 53 fabricated thus is laminated on a transparent electrode 52 or an upper substrate 51 in which an ITO electrode is formed. ( FIG. 4 a )
- a first photomask 54 is aligned on the laminated upper substrate 51 and the green tape 53 is then firstly exposed to a first ultraviolet ( FIG. 4 b ).
- a first ultraviolet FIG. 4 b
- light generated from the first ultraviolet hardens the black electrode 53 a formed at the lower part of the green tape 53 through a patterned transparent film of the first photomask 54 . Therefore, it is preferable that the first photomask 54 is patterned so that the black electrode 53 a formed on the upper substrate 51 is hardened.
- the first ultraviolet may include a light source of a long wavelength band having a wavelength corresponding to 360 nm to 430 nm.
- the first ultraviolet of the long wavelength band serves to harden a predetermined region of the black electrode 53 a formed at the lower part of the green tape 53 through the silver electrode 53 b at the upper part of the green tape 53 .
- the predetermined region may be formed in a black matrix for precluding light generated from one discharge cell from transferring to neighboring discharge cells.
- a second photomask 55 is aligned on the exposed upper substrate 51 .
- the silver electrode 53 b formed at the upper part of the green tape 53 is then secondly exposed to a second ultraviolet and is thus hardened ( FIG. 4 c ).
- the second ultraviolet may include a light source of a short wavelength band having a wavelength corresponding to below 200 nm.
- the second ultraviolet of the short wavelength band serves to harden a predetermined region of the silver electrode 53 b formed at the upper part of the green tape 53 .
- a bus electrode 56 having the black electrode 53 a and the silver electrode 53 b is subsequently formed in the predetermined region. It is preferred that the second photomask 55 is patterned so that the silver electrode paste 53 b formed on the transparent electrode 52 is hardened.
- the consecutive exposure processes can be performed with its order changed. That is, as described above, after the black electrode 53 a of the predetermined region is hardened using the first ultraviolet, the silver electrode 53 b of the predetermined region is hardened using the second ultraviolet. It is, however, to be noted that after the silver electrode 53 b of the predetermined region is hardened using the second ultraviolet, the black electrode 53 a of the predetermined region can be hardened using the first ultraviolet.
- the green tape 53 corresponding to the remaining regions other than the firstly and secondly exposed regions is stripped by developing the upper substrate 51 .
- a dry and sintering process is then performed. Thereby, a given bus electrode 56 and a black matrix 57 are formed ( FIG. 4 d ).
- a dielectric paste is printed on the upper substrate 51 on which the bus electrode 56 and the black matrix 57 are formed and is then dried, thus forming a predetermined dielectric layer 58 .
- the upper substrate of the plasma display panel is completed ( FIG. 4 e ).
- a green tape having a silver electrode and a black electrode is laminated and a predetermined bus electrode is then formed through a consecutive process. Therefore, the present invention has effects that manufacturing cost as well as the number of a process can be reduced compared to a prior art.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Filled Discharge Tubes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030068826A KR100551767B1 (ko) | 2003-10-02 | 2003-10-02 | 플라즈마 디스플레이 패널 및 그 제조방법 |
KR10-2003-0068826 | 2003-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20050073255A1 US20050073255A1 (en) | 2005-04-07 |
US7377831B2 true US7377831B2 (en) | 2008-05-27 |
Family
ID=34309540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/950,665 Expired - Fee Related US7377831B2 (en) | 2003-10-02 | 2004-09-28 | Plasma display panel and method of manufacturing the same |
Country Status (5)
Country | Link |
---|---|
US (1) | US7377831B2 (de) |
EP (1) | EP1521287A3 (de) |
JP (1) | JP2005116528A (de) |
KR (1) | KR100551767B1 (de) |
CN (1) | CN1604263A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100671110B1 (ko) * | 2005-03-29 | 2007-01-17 | 제일모직주식회사 | 플라스마 디스플레이 패널 및 그 제조방법 |
US7615581B2 (en) * | 2005-08-17 | 2009-11-10 | Lg Electronics Inc. | Black paste composite, upper plate of plasma display panel, and manufacturing method by using the same |
KR100705888B1 (ko) * | 2005-08-26 | 2007-04-09 | 제일모직주식회사 | 비감광성 흑색층용 조성물과 그 조성물로부터 형성된흑색층을 포함하는 플라즈마 디스플레이 패널 및 그제조방법 |
CN101427293B (zh) * | 2006-06-30 | 2010-12-01 | 日立等离子显示器股份有限公司 | 等离子体显示装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1092325A (ja) | 1996-09-13 | 1998-04-10 | Fujitsu Ltd | ガス放電表示パネル及びその製造方法 |
US5925203A (en) * | 1996-01-30 | 1999-07-20 | Sarnoff Corporation | Method of making a plasma display |
US6075319A (en) | 1997-03-06 | 2000-06-13 | E. I. Du Pont De Nemours And Company | Plasma display panel device and method of fabricating the same |
EP1150320A1 (de) | 1999-10-19 | 2001-10-31 | Matsushita Electric Industrial Co., Ltd. | Herstellungsverfahren einer metallelektrode |
EP1308982A2 (de) | 2001-11-05 | 2003-05-07 | Lg Electronics Inc. | Plasma-Anzeigetafel und Herstellungsverfahren davon |
US6773533B2 (en) * | 2001-03-05 | 2004-08-10 | Nitto Denko Corporation | Manufacturing method of ceramic green sheet, manufacturing method of multilayer ceramic electronic components, and carrier sheet for ceramic green sheets |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3644775B2 (ja) * | 1996-10-11 | 2005-05-11 | 大日本印刷株式会社 | プラズマディスプレイパネルの電極形成用の転写シートおよび電極形成方法 |
JP3937571B2 (ja) * | 1998-03-26 | 2007-06-27 | Jsr株式会社 | プラズマディスプレイパネルの製造方法および転写フィルム |
JP3541757B2 (ja) * | 1999-11-17 | 2004-07-14 | 日本電気株式会社 | プラズマディスプレイパネル用ブラックストライプの製造方法 |
JP2003051261A (ja) * | 2001-08-07 | 2003-02-21 | Mitsubishi Electric Corp | プラズマディスプレイパネルのフロントパネルおよびその製造方法 |
-
2003
- 2003-10-02 KR KR1020030068826A patent/KR100551767B1/ko not_active IP Right Cessation
-
2004
- 2004-09-25 EP EP04022891A patent/EP1521287A3/de not_active Withdrawn
- 2004-09-28 US US10/950,665 patent/US7377831B2/en not_active Expired - Fee Related
- 2004-10-04 JP JP2004290880A patent/JP2005116528A/ja active Pending
- 2004-10-08 CN CNA2004100807500A patent/CN1604263A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5925203A (en) * | 1996-01-30 | 1999-07-20 | Sarnoff Corporation | Method of making a plasma display |
JPH1092325A (ja) | 1996-09-13 | 1998-04-10 | Fujitsu Ltd | ガス放電表示パネル及びその製造方法 |
US6075319A (en) | 1997-03-06 | 2000-06-13 | E. I. Du Pont De Nemours And Company | Plasma display panel device and method of fabricating the same |
EP1150320A1 (de) | 1999-10-19 | 2001-10-31 | Matsushita Electric Industrial Co., Ltd. | Herstellungsverfahren einer metallelektrode |
US6773533B2 (en) * | 2001-03-05 | 2004-08-10 | Nitto Denko Corporation | Manufacturing method of ceramic green sheet, manufacturing method of multilayer ceramic electronic components, and carrier sheet for ceramic green sheets |
EP1308982A2 (de) | 2001-11-05 | 2003-05-07 | Lg Electronics Inc. | Plasma-Anzeigetafel und Herstellungsverfahren davon |
Non-Patent Citations (1)
Title |
---|
European Search Report dated Nov. 15, 2007. |
Also Published As
Publication number | Publication date |
---|---|
JP2005116528A (ja) | 2005-04-28 |
US20050073255A1 (en) | 2005-04-07 |
CN1604263A (zh) | 2005-04-06 |
EP1521287A3 (de) | 2007-12-19 |
EP1521287A2 (de) | 2005-04-06 |
KR100551767B1 (ko) | 2006-02-10 |
KR20050032849A (ko) | 2005-04-08 |
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